MESON Chess Problem Database
Problem Display
PID: 38123 (3Q4/2n1Bp2/r1P1k1P1/rn3NqR/4N3/2P1p1p1/b1P1B1K1/6b1 w - - 0 1)
Fossum, Andre Ferdinand
1st Prize, Stella Polaris, 1971
#3
11 + 11
| 17122 | Sjakkoppgaver og Studier av Andre Fossum | 1975 |
| 17117 | Bindningsproblem med modellmatter (Froberg) | 1983 |
| 3485 | Sachova skladba | 1985 |
SOLUTION
- SOUND
- Sets
- 1...Qf4
- 2.Sg7#
- 1...Qh4
- 2.Sg7#
- 1...Qf6
- 2.Sg7+
- 2...Qxg7
- 3.Sc5#
- 3.Qd7#
- 2...Qxg7
- 2.Bxf6
- threat
- 3.Sc5#
- 3.Sg7#
- 3.Qd7#
- threat
- 2.Sg7+
- 1...Qh6
- 2.Sd4+
- 2...Sxd4
- 3.Qd6#
- 3.Qd7#
- 2...Sxd4
- 2.Sg7+
- 2...Qxg7
- 3.Sc5#
- 3.Qd7#
- 2...Qxg7
- 2.Sd4+
- 1...Qxe7
- 2.Sg7#
- 1...Qg4
- 2.Sg7#
- 1...Qxf5
- 2.Qd7+
- 2...Ke5
- 3.Qxf5#
- 2...Ke5
- 2.Qd7+
- 1...Qxg6
- 2.Sd4+
- 2...Sxd4
- 3.Qd6#
- 3.Qd7#
- 2...Sxd4
- 2.Sg7+
- 2...Qxg7
- 3.Sc5#
- 3.Qd7#
- 2...Qxg7
- 2.Sd4+
- 1...Sa3
- 2.Qd6+
- 2...Kxf5
- 3.Sxg3#
- 2...Kxf5
- 2.Qd6+
- 1...Sxc3
- 2.Qd6+
- 2...Kxf5
- 3.Sxg3#
- 2...Kxf5
- 2.Qd6+
- 1...Sd4
- 2.Qd6+
- 2...Kxf5
- 3.Sxg3#
- 2...Kxf5
- 2.Qd6+
- 1...Sd6
- 2.Qxd6+
- 2...Kxf5
- 3.Sxg3#
- 2...Kxf5
- 2.Qxd6+
- 1...Sa7
- 2.Qd6+
- 2...Kxf5
- 3.Sxg3#
- 2...Kxf5
- 2.Qd6+
- 1...Qf4
- Tries
- 1.Sc5+?
- 1...Kxf5
- 2.Qd3+
- 2...Kf4
- 3.Qe4#
- 2...Ke5
- 3.Qe4#
- 2...Kf4
- 2.Qd3+
- 1...Ke5!
- 1...Kxf5
- 1.Sxg5+?
- 1...Kxf5
- 2.Sh3+
- 2...Ke4
- 3.Bd3#
- 3.Bf3#
- 3.Qd3#
- 2...Ke6
- 3.Sf4#
- 3.Qd7#
- 2...Kxg6
- 3.Qg8#
- 2...Ke4
- 2.Se6+
- 2...Ke4
- 3.Bd3#
- 3.Bf3#
- 3.Qd3#
- 2...Kxe6
- 3.Qd7#
- 2...Kxg6
- 3.Qg8#
- 2...Ke4
- 2.Qd3+
- 2...Kf4
- 3.Sh3#
- 3.Qe4#
- 2...Ke5
- 3.Qe4#
- 2...Kf4
- 2.Sh3+
- 1...Ke5!
- 1...Kxf5
- 1.Sd4+?
- 1...Sxd4
- 2.Qd6+
- 2...Kf5
- 3.Sxg3#
- 2...Kf5
- 2.Qd6+
- 1...Ke5!
- 1...Sxd4
- 1.Rxg5?
- threat
- 2.Sg7#
- 1...fxg6
- 2.Sh6
- threat
- 3.Sc5#
- 3.Bg4#
- 3.Qd7#
- threat
- 2.Sg7+
- 2...Kf7
- 3.Qf8#
- 2...Kf7
- 2.Sh6
- 1...Se8
- 2.Sd4+
- 2...Sxd4
- 3.Qd7#
- 2...Sxd4
- 2.Sg7+
- 2...Sxg7
- 3.Sc5#
- 3.Qd7#
- 2...Sxg7
- 2.Sd4+
- 1...Ke5!
- threat
- 1.Qd6+?
- 1...Kxf5
- 2.Sxg3#
- 1...Sxd6!
- 1...Kxf5
- 1.Sc5+?
- Keys
- 1.Bd6!
- threat
- 2.Sc5+
- 2...Kd5
- 3.Se7#
- 2...Kxf5
- 3.Rxg5#
- 3.Qxg5#
- 2...Kd5
- 2.Se7
- threat
- 3.Qd7#
- 3.Qc8#
- 2...Qxe7
- 3.Re5#
- 3.Qxe7#
- 2...Sxd6
- 3.Qxd6#
- 2...fxg6
- 3.Qg8#
- threat
- 2.Sc5+
- 1...Kd5
- 2.Se7+
- 2...Kxe4
- 3.Bd3#
- 3.Bf3#
- 2...Ke6
- 3.Qd7#
- 3.Qc8#
- 2...Kxe4
- 2.Se7+
- 1...Kxf5
- 2.Rxg5+
- 2...Kxe4
- 3.Bd3#
- 3.Bf3#
- 2...Ke6
- 3.Sc5#
- 3.Re5#
- 3.Qf6#
- 3.Qe7#
- 3.Qd7#
- 3.Qc8#
- 2...Kxe4
- 2.Qxg5+
- 2...Kxe4
- 3.Bd3#
- 3.Bf3#
- 3.Rh4#
- 3.Qf4#
- 3.Qh4#
- 3.Qg4#
- 3.Qe5#
- 3.Qf5#
- 2...Ke6
- 3.Qf6#
- 3.Qe7#
- 3.Qe5#
- 3.Qf5#
- 2...Kxe4
- 2.Qf6+
- 2...Kxe4
- 3.Bf3#
- 3.Qf3#
- 2...Kxe4
- 2.Rxg5+
- 1...Qxf5
- 2.Qd7+
- 2...Kd5
- 3.Sf6#
- 2...Kd5
- 2.Qd7+
- 1...Qxh5
- 2.Qd7+
- 2...Kd5
- 3.Sf6#
- 2...Kd5
- 2.Qd7+
- 1...Qxg6
- 2.Sc5+
- 2...Kd5
- 3.Se7#
- 2...Kd5
- 2.Sd4+
- 2...Sxd4
- 3.Qe7#
- 3.Qd7#
- 3.Qc8#
- 2...Sxd4
- 2.Sg7+
- 2...Qxg7
- 3.Sc5#
- 3.Qe7#
- 3.Qd7#
- 3.Qc8#
- 2...Qxg7
- 2.Sc5+
- 1...Rxc6
- 2.Sg7+
- 2...Kd5
- 3.Sf6#
- 2...Kd5
- 2.Sg7+
- 1...Sxc3
- 2.Qd7+
- 2...Kd5
- 3.Sxc3#
- 2...Kd5
- 2.Qd7+
- 1...Sxd6
- 2.Qxd6+
- 2...Kxf5
- 3.Sxg3#
- 2...Kxf5
- 2.Qxd6+
- 1...fxg6
- 2.Sc5+
- 2...Kd5
- 3.Se7#
- 2...Kxf5
- 3.Rxg5#
- 3.Qxg5#
- 2...Kf7
- 3.Rh7#
- 3.Qf8#
- 2...Kd5
- 2.Sc5+
- 1...Qf6
- 2.Sc5+
- 2...Kd5
- 3.Se7#
- 2...Kd5
- 2.Sd4+
- 2...Qxd4
- 3.Qe7#
- 3.Qd7#
- 3.Qc8#
- 2...Sxd4
- 3.Qxf6#
- 3.Qd7#
- 3.Qc8#
- 2...Qxd4
- 2.Sg7+
- 2...Qxg7
- 3.Sc5#
- 3.Qe7#
- 3.Qd7#
- 3.Qc8#
- 2...Qxg7
- 2.Qd7+
- 2...Kd5
- 3.Sxf6#
- 2...Kd5
- 2.Sc5+
- 1...Qh6
- 2.Sc5+
- 2...Kd5
- 3.Se7#
- 2...Kd5
- 2.Sxe3
- threat
- 3.Sc5#
- 3.Re5#
- 3.Qf6#
- 3.Qe7#
- 3.Qd7#
- 3.Qc8#
- threat
- 2.Sd4+
- 2...Sxd4
- 3.Qf6#
- 3.Qe7#
- 3.Qd7#
- 3.Qc8#
- 2...Sxd4
- 2.Sxh6
- threat
- 3.Sc5#
- 3.Re5#
- 3.Qf6#
- 3.Qe7#
- 3.Qd7#
- 3.Qc8#
- 2...f5
- 3.Qg8#
- threat
- 2.Se7
- threat
- 3.Re5#
- 3.Qd7#
- 3.Qc8#
- 2...fxg6
- 3.Qg8#
- threat
- 2.Sg7+
- 2...Qxg7
- 3.Sc5#
- 3.Qe7#
- 3.Qd7#
- 3.Qc8#
- 2...Qxg7
- 2.Qd7+
- 2...Kd5
- 3.Sf6#
- 2...Kd5
- 2.Sc5+
- 1...Ra4
- 2.Sc5+
- 2...Kd5
- 3.Se7#
- 2...Kxf5
- 3.Rxg5#
- 3.Qxg5#
- 2...Kd5
- 2.Sc5+
- 1...Ra7
- 2.Sc5+
- 2...Kd5
- 3.Se7#
- 2...Kxf5
- 3.Rxg5#
- 3.Qxg5#
- 2...Kd5
- 2.Sc5+
- 1...Ra8
- 2.Sc5+
- 2...Kd5
- 3.Se7#
- 2...Kxf5
- 3.Rxg5#
- 3.Qxg5#
- 2...Kd5
- 2.Sc5+
- 1...Bc4
- 2.Sc5+
- 2...Kd5
- 3.Se7#
- 3.Bf3#
- 2...Kxf5
- 3.Rxg5#
- 3.Qxg5#
- 2...Kd5
- 2.Se7
- threat
- 3.Qd7#
- 3.Qc8#
- 2...Qxe7
- 3.Re5#
- 3.Qxe7#
- 2...Sxd6
- 3.Qxd6#
- 2...fxg6
- 3.Qg8#
- threat
- 2.Sc5+
- 1...Sa3
- 2.Sd4+
- 2...Kd5
- 3.Sf6#
- 2...Kd5
- 2.Se7
- threat
- 3.Qd7#
- 3.Qc8#
- 2...Qxe7
- 3.Qxe7#
- 2...fxg6
- 3.Qg8#
- threat
- 2.Sd4+
- 1...Sd4
- 2.Sxd4+
- 2...Kd5
- 3.Sf6#
- 2...Kd5
- 2.Se7
- threat
- 3.Qd7#
- 3.Qc8#
- 2...Qxe7
- 3.Qxe7#
- 2...fxg6
- 3.Qg8#
- threat
- 2.Sxd4+
- 1...Sa7
- 2.Sd4+
- 2...Kd5
- 3.Sf6#
- 2...Kd5
- 2.Sd4+
- 1...Sa8
- 2.Sc5+
- 2...Kd5
- 3.Se7#
- 2...Kxf5
- 3.Rxg5#
- 3.Qxg5#
- 2...Kd5
- 2.Sc5+
- 1...Se8
- 2.Sc5+
- 2...Kd5
- 3.Se7#
- 2...Kxf5
- 3.Rxg5#
- 3.Qxg5#
- 2...Kd5
- 2.Sc5+
- 1...f6
- 2.Qg8+
- 2...Kxf5
- 3.Sxg3#
- 2...Kxf5
- 2.Qg8+
- threat
- 1.Bd6!
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